David Flynn
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dpfl.bsky.social
David Flynn
@dpfl.bsky.social
Math curriculum at Beast Academy/IPL
I will pick 3 different digits, and use them once each to make a time. Then, I’m going to use the same 3 digits to make a different time. I will then work out how many minutes between those times.

__ . __ __ pm

__ . __ __ pm

The goal is to find the shortest elapsed time using these rules.
February 3, 2025 at 10:33 PM
This is a good read! Looking forward to reading a few more responses on this one.

#mtbos #iTeachMath
I need help!!

Which concept do you find students struggle with most in math?
Kindergarten:
Grade 1 - 3:
Grade 4 - 6:

Please share one or more in the comments.

#edusky #math #mtbos #elemmathchat #iteachmath
December 19, 2024 at 8:27 PM
Puzzle for 4th Graders:
Using Base 10 blocks, put together
1 hundred-piece
7 ten-pieces
12 one-pieces
to make a rectangle.

What are the side lengths of your rectangle?

Puzzle for #iTeachMath #EduSky folks:
What are the considerations in number choice that make these puzzles unique vs. non-unique?
December 14, 2024 at 6:51 PM
🎵 "It's the Most Wonderful Time of the Year…”🎵
Sadly GCHQ haven't joined Bluesky 😞 So on their behalf 😉

The #GCHQChristmasChallenge is here!

Take part, get solving, and uncover the Festive message.

www.gchq.gov.uk/news/gchq-ch...
December 12, 2024 at 2:33 AM
Pick a 3 digit number.

Divide the number by 6. Write down the remainder.

Divide the number by 7. Write down the remainder.

Divide the number by 8. Write down the remainder.

Add the three remainders together.

What starting number should you pick to get the greatest possible sum?

#iTeachMath
December 12, 2024 at 2:22 AM
As a follow up to this Dot Puzzles. I was thinking about how we can use this same set up with fractions in 3rd Grade.

Here's a very rough mock up of a puzzle format:

#iTeachMath #MTBoS #mathstoday
November 27, 2024 at 10:28 PM
Connect 4 dots to make a rhombus.

#iTeachMath #MTBoS #mathstoday
November 25, 2024 at 9:35 PM
Reposted by David Flynn
Any ideas for subtraction games for third graders? #edusky
November 20, 2024 at 11:38 PM
Reposted by David Flynn
All Ten #797
10/10
1✅ 2✅ 3✅ 4✅ 5✅ 6✅ 7✅ 8✅ 9✅ 10✅
November 25, 2024 at 2:31 AM

Find 101 plus 101 tens?
Find 101 plus 101 hundreds?
Find 101 plus 101 thousands?

Find 101 plus 101 tens plus 101 hundreds plus 101 thousands?

What strategy did you use?

#MTBoS #ITeachMath #edusky
November 23, 2024 at 11:20 PM
🔥🔥🔥
Choose any five consecutive positive whole numbers, and multiply them together. Did you get a multiple of 120? Will you always get a multiple of 120?
November 20, 2024 at 9:08 PM
The question on everyone’s lips 🙏🙏🙏

#edusky #iteachmath #mtbos #ElemMathChat
Alright elementary math people:

When and how do you introduce order of operations?

Common Core seems to say third grade ... or do they? It's all sorts of confusing.
November 20, 2024 at 3:13 AM
Which one doesn’t belong?

Sum
Difference
Product
Quotient

#mtbos #ITeachMatj #ElemMathChat #edusky #WODB
November 17, 2024 at 9:44 PM
I’ve had a lot of conversations recently about how to keep geometry interesting in 3rd grade. I’m super excited for students to try these Right Angle Mazes.

Trace a path from the start to finish using only right angle turns.

#ITeachMath #ElemMathChat #edusky
November 15, 2024 at 8:28 PM
My favourite puzzle in the primary maths classroom:

artofproblemsolving.com/blog/article... #ElemMathChat #MtBoS #iteachmath
My Favorite Beast Academy Math Problem: The Honeycomb Path Puzzle
artofproblemsolving.com
November 13, 2024 at 8:48 PM